Description
Zinc-Plated Steel | 50-Piece Professional Pack
Product Overview
Secure your projects with confidence using Hardline Products® Premium Grade 5 Hex Bolts and Nyloc Nuts. Engineered for durability and high-tensile strength, these fasteners are crafted from quenched and tempered steel, making them the superior choice for automotive, industrial, and general construction applications.
Each assembly features a corrosion-resistant zinc plating that protects against the elements, ensuring longevity even in demanding environments. This bulk pack offers exceptional value, providing a complete fastening solution with matched Nyloc nuts to prevent loosening under vibration.
Key Features & Benefits
- Superior Durability: Manufactured from Grade 5 steel, these bolts are quenched and tempered to provide significantly higher tensile strength than standard Grade 2 hardware.
- Corrosion Resistance: A high-quality bright zinc finish acts as a sacrificial barrier against oxidation and rust, extending the service life of your equipment.
- Vibration Proof: Includes matching nylon-insert lock nuts (Nyloc) that grip the thread to resist loosening caused by vibration and torque—essential for motorsports and machinery.
- Precision Engineering: Features a standard 6-sided hex head for easy gripping with a 9/16″ socket or wrench, ensuring high-torque tightening without slippage.
- Cost-Effective Bulk Pack: Sold in convenient bags of 50, providing a ready supply for workshops, garages, and manufacturing lines.
Technical Specifications
| Specification | Detail |
| Material | Medium Carbon Steel (Quenched & Tempered) |
| Grade | SAE J429 Grade 5 (3 Radial Lines on Head) |
| Finish | Commercial Zinc Plating |
| Thread Type | Coarse Thread (UNC) |
| Thread Pitch | 18 TPI (Threads Per Inch) |
| Diameter | 5/16″ |
| Length | 2.5″ |
| Shank Style | Partially Threaded |
| Head Style | Hexagon (Standard 6-Point) |
| Wrench/Socket Size | 9/16″ |
| Included Hardware | Matching Nylon Insert Lock Nuts |
| Quantity | 50 Sets per Bag |
Export to Sheets
Ideal Applications
- Automotive & Motorsports: Perfect for chassis components, bracketry, and engine accessories where vibration resistance is critical.
- General Construction: Reliable fastening for framing, decking, and structural repairs.
- Machinery Maintenance: Essential replacement hardware for farm equipment, lawnmowers, and heavy machinery.
UPC: 632194729438 Status: In Stock Price: $9.99 per bag (Includes 50 Bolts & 50 Nuts)
UPC: 632194729438
ASiN:B0DVJ8KW7Z

